北信地方に伝わる真綿を用いた防寒具「キワタ」着衣時の保温性に関する研究(<特集>「文化」のさまざまなかたち : 多文化の時代に)

概要

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In this study, we investigated the human thermophysiological responses and clothing microclimate temperature and humidity by wearing "Kiwata" in the cold environment. "Kiwata" is folk garment for the cold environment and has been worn by people in the northern part, Nagano Prefecture,Japan. The experiment was carried out in the climatic chamber at an ambient temperature 15℃, a relative humidity 60%. Five female students volunteered as subjects. 1) The level of rectal temperature was significantly lower in wearing "Kiwata" during cold exposure. 2) Skin temperatures of trunk and lower half of body were also significantly higher in wearing "Kiwata". 3) It was recognized that "Kiwata" was superior in thermal insulation from observation of microclimate temperature. We have to study thermoregulatory responses during exercise under the influence of "Kiwata" as our next experiment. Areas of shoulder and back were highly insulated in our present experiment for more than one hour. However, the rectal temperature continued to fall and was kept significantly lowerin "Kiwata", although the participants felt warmer by wearing it. This suggests problematic aspects of "Kiwata".
長野県短期大学の論文
2003-12-27